Question

If no open wells are available, action needs to be taken to provide at least _________ monitoring wells.

(a) 1

(b) 2

(c) 3

(d) 4

The question was posed to me in unit test.

My doubt stems from TSDF topic in portion TSDF & Monitoring in TSDF of Hazardous Waste Management

Answer 1

Correct choice is (d) 4

For explanation I would say: If no open wells or tube wells are available, action needs to be taken to provide at least four monitoring wells (piezometric) around the TSDF.